The reader knows that, certainly. But they don’t know that you know that; that’s why you have to clarify that you do. (And yes, you have to! Most people in fact do not know that their opinions aren’t fact).
The reader knows that, certainly. But they don’t know that you know that; that’s why you have to clarify that you do. (And yes, you have to! Most people in fact do not know that their opinions aren’t fact).